cxHelpBrowser.cpp

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/*=========================================================================
This file is part of CustusX, an Image Guided Therapy Application.
                 
Copyright (c) SINTEF Department of Medical Technology.
All rights reserved.
                 
CustusX is released under a BSD 3-Clause license.
                 
See Lisence.txt (https://github.com/SINTEFMedtek/CustusX/blob/master/License.txt) for details.
=========================================================================*/
 
#include "cxHelpBrowser.h"
 
#include <QHelpEngine>
#include "cxHelpEngine.h"
#include "cxTypeConversions.h"
#include <iostream>
#include <QDesktopServices>
 
namespace cx
{
HelpBrowser::HelpBrowser(QWidget *parent, HelpEnginePtr engine)
        : QTextBrowser(parent), mEngine(engine)
{
}
 
void HelpBrowser::showHelpForKeyword(const QString &id)
{
        if (mEngine->engine())
        {
                QMap<QString, QUrl> links = mEngine->engine()->linksForIdentifier(id);
                if (links.count())
                {
                        setSource(links.first());
                }
        }
}
 
void HelpBrowser::setSource(const QUrl& name)
{
        if (name.scheme() == "qthelp")
                QTextBrowser::setSource(name);
        else
        {
                QDesktopServices::openUrl(name);
        }
 
}
 
void HelpBrowser::listenToEngineKeywordActivated()
{
        connect(mEngine.get(), SIGNAL(keywordActivated(QString)), this, SLOT(showHelpForKeyword(const QString&)));
}
 
QVariant HelpBrowser::loadResource(int type, const QUrl &name)
{
        if (type < 4 && mEngine->engine())
        {
                QUrl url(name);
                if (name.isRelative())
                        url = source().resolved(url);
 
                if (url.scheme() == "qthelp")
                        return QVariant(mEngine->engine()->fileData(url));
                else
                        return QTextBrowser::loadResource(type, url);
        }
        return QVariant();
}
 
}//end namespace cx